--- gmap.module.orig	2010-01-24 04:17:30.000000000 +0000
+++ gmap.module	2010-02-06 21:34:12.000000000 +0000
@@ -119,6 +119,7 @@

         drupal_add_js($path . 'icon.js');
         drupal_add_js($path . 'marker.js');
+        drupal_add_js($path .'highlight.js');

         $mm = variable_get('gmap_mm_type', 'gmap');
         // If you really really want to override the marker manager, implement
@@ -220,6 +221,18 @@
           'help' => t('Used for advanced javascript work, this will enable the <em>clickshape</em> event.'),
           'internal' => TRUE,
         ),
+        'googlebar' => array(
+          'title' => t('Enable Google Bar'),
+          'default' => FALSE,
+          'help' => t('Enable the "Google Bar" at bottom.'),
+          'previewable' => TRUE,
+        ),
+        'highlight' => array(
+          'title' => t('Highlight marker on rollover'),
+          'default' => FALSE,
+          'help' => t('Highlight marker by creating circle on mouse rollover event.'),
+          'previewable' => TRUE,
+        ),
       );
       break;

@@ -279,6 +292,7 @@
     drupal_add_js($gmap_path . '/thirdparty/' . $mms[$mm]['filename']);
   }
   drupal_add_js($gmap_path . '/js/marker.js');
+  drupal_add_js($gmap_path . '/js/highlight.js');
   drupal_add_js($gmap_path . '/js/' . $mm . '_marker.js');
   drupal_add_js(array('gmap_markermanager' => $mms[$mm]), 'setting');
 // @@@
--- gmap_plugin_style_gmap.inc.orig	2009-12-15 18:39:26.000000000 +0000
+++ gmap_plugin_style_gmap.inc	2010-02-06 21:24:12.000000000 +0000
@@ -29,10 +29,15 @@
     $options['markers'] = array('default' => 'static');
     $options['markertype'] = array('default' => 'drupal');
 
+    $options['center_on_nodearg'] = array('default' => '0');
+    $options['highlight_nodearg'] = array('default' => '0');
+
     $options['latfield'] = array('default' => '');
     $options['lonfield'] = array('default' => '');
     $options['markerfield'] = array('default' => '');
 
+    $options['tooltipfield'] = array('default' => '');
+
     return $options;
   }
 
@@ -76,14 +81,17 @@
 
     $lat_field = 'gmap_lat';
     $lon_field = 'gmap_lon';
+    $tooltip_field = 'gmap_tooltip';
 
     // Determine fieldname for latitude and longitude fields.
     if ($this->options['datasource'] == 'fields') {
       $lat_fied_obj = $this->view->display_handler->get_handler('field', $this->options['latfield']);
       $lon_field_obj = $this->view->display_handler->get_handler('field', $this->options['lonfield']);
+      $tooltip_field_obj = $this->view->display_handler->get_handler('field', $this->options['tooltipfield']);
 
       $lat_field = $lat_fied_obj->field_alias;
       $lon_field = $lon_field_obj->field_alias;
+      $tooltip_field = $tooltip_field_obj->field_alias;
     }
 
     // Determine fieldname for marker field.
@@ -111,10 +119,36 @@
     foreach ($sets as $title => $records) {
       $markers = array();
       $offsets = array();
+      $lat_center = null;
+      $lon_center = null;
+      $nid_center = null;
+      $nid_highlight = null;
+
+      // we search nid argument used to center map
+      if ($this->options['center_on_nodearg'] && $nodehandler = $this->view->display_handler->get_handler('argument', 'null')) {
+        $nid_center = $nodehandler->get_value();
+      }
+      if ($this->options['highlight_nodearg'] && $nodehandler = $this->view->display_handler->get_handler('argument', 'null')) {
+        $nid_highlight = $nodehandler->get_value();
+      }      
+
       foreach ($records as $row_index => $row) {
         $this->view->row_index = $row_index;
         $lat = (float)$row->{$lat_field};
         $lon = (float)$row->{$lon_field};
+
+        // if this row will be used as center map then we keep its lon/lat 
+        if (!empty($nid_center) && $nid_center == $row->nid) {
+          $lon_center = $lon;
+          $lat_center = $lat;
+        }
+        
+        
+        $tooltip = "";
+        if (!empty($tooltip_field)) {
+            $tooltip = $row->{$tooltip_field};
+        }
+        
         if (!empty($lat) && !empty($lon)) {
           if ($this->options['markers'] == 'nodetype') {
             if (isset($markertypes[$row->gmap_node_type])) {
@@ -148,12 +182,20 @@
             'markername' => $markername,
             'offset' => $offsets[$markername],
             'text' => $this->row_plugin->render($row),
+            'opts' => array('title' => $tooltip),
           );
           $offsets[$markername]++;
         }
       }
       if (!empty($markers)) { // Don't draw empty maps.
         $map = gmap_parse_macro($this->options['macro']);
+
+        // if center lon/lat are not empty they are used to center map 
+        if (!empty($lon_center) && !empty($lat_center)) {
+          $map['longitude'] = $lon_center;
+          $map['latitude'] = $lat_center;
+        }
+        
         $map['markers'] = $markers;
         $output .= theme($this->theme_functions(), $this->view, $this->options, $map, $title);
       }
@@ -167,6 +209,19 @@
    */
   function options_form(&$form, &$form_state) {
     parent::options_form($form, $form_state);
+    $form['center_on_nodearg'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Center on node argument'),
+      '#default_value' => $this->options['center_on_nodearg'],
+      '#description' => t('Note: The view must contain a node by node id as an argument Global:Null'),
+    );
+    $form['highlight_nodearg'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Highlight marker for node argument'),
+      '#default_value' => $this->options['highlight_nodearg'],
+      '#description' => t('Note: The view must contain a node by node id as an argument Global:Null'),
+    );
+
     $form['macro'] = array(
       '#type' => 'textfield',
       '#title' => t('Macro'),
@@ -211,6 +266,15 @@
       '#process' => array('views_process_dependency'),
       '#dependency' => array('edit-style-options-datasource' => array('fields')),
     );
+    $form['tooltipfield'] = array(
+      '#title' => t('Tooltip field'),
+      '#description' => t('Format must be text'),
+      '#type' => 'select',
+      '#options' => $options,
+      '#default_value' => $this->options['tooltipfield'],
+      '#process' => array('views_process_dependency'),
+      '#dependency' => array('edit-style-options-datasource' => array('fields')),
+    );
 
     $form['markers'] = array(
       '#type' => 'select',
--- js/gmap.js.orig	2009-12-01 19:47:53.000000000 +0000
+++ js/gmap.js	2010-02-06 21:44:39.000000000 +0000
@@ -300,6 +300,9 @@
     if (obj.vars.behavior.overview) {
       map.addControl(new GOverviewMapControl());
     }
+    if (obj.vars.behavior.googlebar) {
+        map.enableGoogleBar();
+    }
     if (obj.vars.behavior.scale) {
       map.addControl(new GScaleControl());
     }
--- js/marker.js.orig	2009-02-11 19:12:12.000000000 +0000
+++ js/marker.js	2010-02-06 21:24:12.000000000 +0000
@@ -22,6 +22,11 @@
     GEvent.addListener(m, 'click', function () {
       obj.change('clickmarker', -1, marker);
     });
+    if (obj.vars.behavior.highlight) {
+      GEvent.addListener(m, 'mouseover', function () {
+        obj.change('mouseovermarker', -1, marker);
+      });
+    }
     if (obj.vars.behavior.extramarkerevents) {
       GEvent.addListener(m, 'mouseover', function () {
         obj.change('mouseovermarker', -1, marker);
@@ -102,5 +107,9 @@
     }
   });

+  obj.bind('mouseovermarker', function (marker) {
+	  highlightCurrentMarker(obj.map, marker);
+  });
+
   // @@@ TODO: Some sort of bounds handling for deletemarker? We'd have to walk the whole thing to figure out the new bounds...
 });